33
Troubleshooting 8
Instructions for installation and servicing ecoMAX
33
Key to diagnosis codes
Code
Meaning
Displayed/Adjustable values
d.0
Part load setting
Adjustable values in kW
d.1
Water pump over run
1 – 60 min (factory–adjusted to 5 min)
d.2
Maximum burner anti cycling period at 20 °C
flow temperature
2 – 60 min (factory–adjusted to 20 min)
d.5
Flow temperature setting
Target value in °C
d.8
External controls heat demand
0 = room thermostat open (no demand)
1 = room thermostat closed (demand)
d.10
Pump status
1 = ON
0 = OFF
d.11
External pump status
1 = ON
0 = OFF
d.13
External circulation pump
1 = ON
when fitted
0 = OFF
d.14
Pump speed
Set value for built–in pump.
Factory setting: ”auto”; possible adjustments:
0 = auto, 1 = 53%, 2 = 60%, 3 = 70%, 4 = 85%, 5 = 100%
d.16
2
nd
pump
1 = DHW circulating pump
2 = external CH pump
3 = vantage loading pump
4 = solar pump
d.22
Domestic hot water demand
1 = ON
0 = OFF
d.23
Summer/Winter function (control knob)
1 = Winter
0 = Summer
d.24
Not applicable in GB
–
d.25
Hot–water activation
1 = yes
via warm–start clock
0 = no
d.34
Current fan speed value
Current value in rpm/10
d.35
Diverter valve position
0 = heating system
1 = hot water
2 = mid position
d.40
Actual flow temperature
Current value in °C
d.41
Actual return temperature
Current value in °C
d.44
Actual ionisation–current value
Current value /100 in μA
d.46
Outside–temperature correction
Correction value in K
(only when VRC 410s is fitted)
d.47
Actual outside temperature
Current value in °C
(only when VRC 410s is fitted)
d.60
Number over heat cut off operations
Number
d.61
Number of lock outs
Number of unsuccessful ignition operations at
last attempt
d.67
Remaining anti cycling period
in min
d.68
No first start
Number of unsuccessful attempted 1
st
ignitions
d.69
No second start
Number of unsuccessful attempted 2
nd
ignitions
d.71
Maximum target value for heating system
Max. target value for heating–system flow temp. flow temperature
(factory–adjusted to 75 °C)
adjustable value 40–85 °C
d.72
Pump over run (for loading warmstart)
Pump over run period, in seconds, after filling
factory–adjusted to 80 s
of an electronically–controlled hot–water tank (incl.
d.73
Offset warmstart temperature value
Range: –15 K to +15 K
For solar applications: Switching difference
Factory–adjusted to –5 K (ecoMAX 800).
for the solar pump
Recommended setting for solar applications: +7 °C
d.80
Number of heating system operating hours
in h
d.81
Number of hot water system operating hours
in h
d.82
Number of heating system cycles (Total)
d.83
Number of hot water system cycles (Total)
Table 8.2 Diagnosis codes
80020014605_00GB_032006 22.02.2006 21:36 Uhr Seite 33
Summary of Contents for ecoMAX 635
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